linux-kernel - Re: [PATCH 0/4] perf: Add new macros for mem

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Message-ID: <20211210082202.GQ16608@worktop.programming.kicks-ass.net>
Date:   Fri, 10 Dec 2021 09:22:02 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     Michael Ellerman <mpe@...erman.id.au>
Cc:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Kajol Jain <kjain@...ux.ibm.com>,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        mingo@...hat.com, jolsa@...nel.org, namhyung@...nel.org,
        ak@...ux.intel.com, linux-perf-users@...r.kernel.org,
        maddy@...ux.ibm.com, atrajeev@...ux.vnet.ibm.com,
        rnsastry@...ux.ibm.com, yao.jin@...ux.intel.com, ast@...nel.org,
        daniel@...earbox.net, songliubraving@...com,
        kan.liang@...ux.intel.com, mark.rutland@....com,
        alexander.shishkin@...ux.intel.com, paulus@...ba.org
Subject: Re: [PATCH 0/4] perf: Add new macros for mem_hops field

On Fri, Dec 10, 2021 at 05:35:41PM +1100, Michael Ellerman wrote:
> Arnaldo Carvalho de Melo <acme@...nel.org> writes:
> > Em Mon, Dec 06, 2021 at 02:47:45PM +0530, Kajol Jain escreveu:
> >> Patchset adds new macros for mem_hops field which can be
> >> used to represent remote-node, socket and board level details.
> >> 
> >> Currently the code had macro for HOPS_0, which corresponds
> >> to data coming from another core but same node.
> >> Add new macros for HOPS_1 to HOPS_3 to represent
> >> remote-node, socket and board level data.
> >> 
> >> For ex: Encodings for mem_hops fields with L2 cache:
> >
> > I checked and this hasn't hit mainstream, is it already merged on a tree
> > where this is slated to be submitted in the next window? If so please
> > let me know which one so that I can merge it on perf/core.
> 
> I haven't picked it up. I guess the kernel changes are mainly in
> powerpc, but I'd at least need an ack from eg. Peter for the generic
> perf uapi change.

Done :-)